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From: mab@dst1.wdl.loral.com (Mark A Biggar)
Subject: Re: How to calculate negative binary??
Date: 1997/03/31
Message-ID: <5hopf0$50q@wdl1.wdl.lmco.com>#1/1
X-Deja-AN: 230418272
References: <01bc3bf9$a8a655e0$d87d8ea1@AaBbCcDd>
Organization: Loral Western Development Labs
Newsgroups: comp.lang.ada
Date: 1997-03-31T00:00:00+00:00
List-Id: <comp.lang.ada>


In article <01bc3bf9$a8a655e0$d87d8ea1@AaBbCcDd> "Centaury" <utopian@pl.jaring.my> writes:
>Compilation error occurs when I entered the line :
>p:=2# - 1010110 #
>and is caused by the negative value of the binary. How to correct it?

There is no such thing as a negative literal number in Ada, there is just
the negation operator applied to a positive literal.  This usualy makes
no difference as all compilers do the evaluation of the negation operator in
such a case at compile time, so what you want to write is:

p := -2#1010110#;

--
Mark Biggar
mab@wdl.lmco.com